<template>
  <div>
    <div class="crumbs">
        <el-breadcrumb separator="/">
            <el-breadcrumb-item>
                <i class="el-icon-lx-shop"></i> 教室列表
            </el-breadcrumb-item>
        </el-breadcrumb>
    </div>
    <div class="container">
        <div class="handle-box">
            <el-button
                type="primary"
                icon="el-icon-delete"
                class="handle-del mr10"
                @click="delAllSelection"
            >批量删除</el-button>
        </div> 
                <el-table
                :data="classRoom"
                border
                class="table"
                ref="multipleTable"
                header-cell-class-name="table-header"
                @selection-change="handleSelectionChange"
            >
                <el-table-column type="selection" width="55" align="center"></el-table-column>
                <el-table-column prop="id" label="ID" width="66" align="center"></el-table-column>
                <el-table-column prop="class_name" label="教室编号" width="180"></el-table-column>
                <el-table-column label="状态" align="center" width="180">
                    <template slot-scope="scope">
                        <el-tag
                            :type="scope.row.class_type==='Y'?'success':(scope.row.class_type==='N'?'danger':'')"
                        >{{scope.row.class_type === 'Y'?'空闲':'已占用'}}</el-tag>
                    </template>
                </el-table-column>
                <el-table-column prop="class_other" label="备注" width="360"></el-table-column>
                <el-table-column label="操作" width="180" align="center">
                    <template slot-scope="scope">
                        <el-button
                            type="text"
                            icon="el-icon-edit"
                            @click="handleEdit(scope.$index, scope.row)"
                        >编辑</el-button>
                        <el-button
                            type="text"
                            icon="el-icon-delete"
                            class="red"
                            @click="handleDelete(scope.$index, scope.row)"
                        >删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                    background
                    layout="total, prev, pager, next"
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="pageTotal"
                    @current-change="handlePageChange"
                ></el-pagination>
            </div>
        </div>

        <!-- 编辑弹出框 -->
        <el-dialog title="编辑" :visible.sync="editVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                <el-form-item label="编号">
                    <el-input v-model="form.class_name"></el-input>
                </el-form-item>
                <el-form-item label="备注">
                    <el-input v-model="form.class_other"></el-input>
                </el-form-item>
                <el-form-item label="状态" aria-placeholder="daxie">
                    <el-input v-model="form.class_type"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data(){
        return {
            classRoom:[],
             query: {
                address: '',
                name: '',
                pageIndex: 1,
                pageSize: 10
            },
            multipleSelection: [],
            delList: [],
            editVisible: false,
            pageTotal: 0,
            form: {},
            idx: -1,
            id: -1,
            noticeList:[],
            // datalist:[]
        }
    },
    created(){
        this.getData();
    },    
    methods: {
        // 获取 easy-mock 的模拟数据
        getData() {
            this.$http.get('http://118.31.124.52:3000/api/getAll/classRoom').then((result) => {
                // console.log(result)
                this.pageTotal = result.data.res.length
                this.noticeList = result.data.res //内容处理
                this.classRoom = this.noticeList.slice(0,this.query.pageSize)   //后期裁剪，制作前端分页  
             
            })
        },
        // 触发搜索按钮
        handleSearch() {
            this.$set(this.query, 'pageIndex', 1);
            this.getData();
        },
        // 删除操作
        handleDelete(index, row) {
            // 二次确认删除
            this.$confirm('确定要删除吗？', '提示', {
                type: 'warning'
            }).then(() => {
                 this.$http.post('http://118.31.124.52:3000/api/classRoom/delect',{id:row.id}).then((result) => {
                    console.log(result) 
                    this.$message.success('删除成功');
                    this.classRoom.splice(index, 1);
                    console.log(row)                
                })
            }).catch(() => {});
        },
        // 多选操作
        handleSelectionChange(val) {
            this.multipleSelection = val;
        },
        delAllSelection() {
            const length = this.multipleSelection.length;
            let str = '';
            this.delList = this.delList.concat(this.multipleSelection);
            for (let i = 0; i < length; i++) {
                str += this.multipleSelection[i].name + ' ';
            }
            this.$message.error(`删除了${str}`);
            this.multipleSelection = [];
        },
        // 编辑操作
        handleEdit(index, row) {
            this.idx = index;
            this.form = row;
            this.editVisible = true;
            console.log(this.form)
        },
        // 保存编辑
        saveEdit() {
            this.editVisible = false;
            this.$message.success(`修改成功`);
            this.$http.post('http://118.31.124.52:3000/api/classRoom/updata',this.form).then((result) => {
              this.$message.success('修改成功！')
            })
        },
        // 分页导航
        handlePageChange(val) {
            this.$set(this.query, 'pageIndex', val);
            let start = 0
            let end 
            this.query.pageIndex
            if(val > this.query.pageIndex){
                start = (val-this.query.pageIndex) * this.query.pageSize;
                end = start + this.query.pageSize
            }else{
                end = this.query.pageIndex*this.query.pageSize - (this.query.pageIndex - val)*this.query.pageSize
                start = end - this.query.pageSize;
            }
            this.query.pageIndex = val;
                // this.pageRow
            this.classRoom = this.noticeList.slice(start,end)
        
        }
    }
};
</script>

<style>
.handle-box {
    margin-bottom: 20px;
}

.handle-select {
    width: 120px;
}

.handle-input {
    width: 300px;
    display: inline-block;
}
.table {
    width: 100%;
    font-size: 14px;
}
.red {
    color: #ff0000;
}
.mr10 {
    margin-right: 10px;
}
.table-td-thumb {
    display: block;
    margin: auto;
    width: 40px;
    height: 40px;
}
</style>